US10978832B1 - Protection member to protect resilient arms of a contact assembly from stubbing - Google Patents

Protection member to protect resilient arms of a contact assembly from stubbing Download PDF

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Publication number
US10978832B1
US10978832B1 US16/784,626 US202016784626A US10978832B1 US 10978832 B1 US10978832 B1 US 10978832B1 US 202016784626 A US202016784626 A US 202016784626A US 10978832 B1 US10978832 B1 US 10978832B1
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United States
Prior art keywords
cable assembly
mating
outer shell
resilient contact
contact arms
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Active
Application number
US16/784,626
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English (en)
Inventor
Neil Franklin Schroll
Nathan William Swanger
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TE Connectivity Solutions GmbH
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TE Connectivity Services GmbH
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Priority to US16/784,626 priority Critical patent/US10978832B1/en
Assigned to TE Connectivity Services Gmbh reassignment TE Connectivity Services Gmbh ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHROLL, NEIL FRANKLIN, SWANGER, NATHAN WILLIAM
Priority to MX2022009663A priority patent/MX2022009663A/es
Priority to JP2022547190A priority patent/JP2023513119A/ja
Priority to KR1020227030794A priority patent/KR20220133292A/ko
Priority to EP21705267.9A priority patent/EP4101034A1/de
Priority to CN202180012776.3A priority patent/CN115336118A/zh
Priority to PCT/IB2021/051006 priority patent/WO2021156843A1/en
Publication of US10978832B1 publication Critical patent/US10978832B1/en
Application granted granted Critical
Assigned to TE CONNECTIVITY SOLUTIONS GMBH reassignment TE CONNECTIVITY SOLUTIONS GMBH MERGER (SEE DOCUMENT FOR DETAILS). Assignors: TE Connectivity Services Gmbh
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
    • H01R24/547—Splitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/86—Parallel contacts arranged about a common axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0503—Connection between two cable ends
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables

Definitions

  • the present invention is directed a contact sleeve or assembly with resilient contact arms.
  • the invention is directed to a contact assembly which has a protection member to prevent the stubbing of the contact arms while providing an improved electrical path for grounding.
  • Connectors in particular coaxial connectors, serve to releasably connect coaxial cables.
  • Coaxial connectors have the advantages of coaxial cables, specifically low electromagnetic influencing and good electrical shielding.
  • Coaxial connectors also have an impedance which corresponds to that of the connected coaxial cable in order to avoid reflection phenomena at the transition point between the coaxial connector and the coaxial cable.
  • Coaxial connectors are designed to provide a predetermined characteristic impedance in order to ensure reflection-free transmission of RF signals.
  • impedance mismatch often results, causing a degradation in the signal transmitted there across.
  • mating the coaxial connector with the mating coaxial connector can cause damage to either the connector or the mating connector, due to issues such as stubbing and the like.
  • An embodiment is directed to a cable assembly for terminating a cable.
  • the cable assembly includes a cable assembly mating end and a cable assembly cable receiving end.
  • a metallic outer shell is positioned proximate to the cable assembly mating end of the cable assembly.
  • the metallic outer shell has a mating contact engagement portion.
  • a housing made of dielectric material is positioned in the metallic outer shell.
  • the housing has a housing mating end and an oppositely facing housing conductor receiving end. Terminal receiving openings extend from the housing mating end.
  • the housing extends from proximate the cable assembly mating end toward the cable assembly cable receiving end.
  • Resilient contact arms are provided on the mating contact engagement portion of the metallic outer shell. The resilient contact arms extend from proximate the cable assembly mating end.
  • Front ends of the resilient contact arms are provided proximate the cable assembly mating end and cooperate with a protection portion of the cable assembly which extends from the cable assembly mating end to prevent the front ends of the resilient contact arms from stubbing when the cable assembly is mated to a mating assembly.
  • An embodiment is directed to an impedance control cable assembly for terminating a cable having exposed conductors.
  • the cable assembly includes a cable assembly mating end and a cable assembly cable receiving end.
  • a first metallic outer shell is positioned proximate to the cable assembly mating end of the cable assembly.
  • the first metallic outer shell has a mating contact engagement portion and a second metallic outer shell mating portion.
  • a second metallic outer shell is position proximate to the cable assembly cable receiving end.
  • the second metallic outer shell is provided in physical and electrical engagement with the first metallic outer shell.
  • a housing made of dielectric material is positioned in the first metallic outer shell and the second metallic outer shell, the housing has a housing mating end and an oppositely facing housing conductor receiving end. Terminal receiving openings extend from the housing mating end to the housing conductor receiving end.
  • the housing extends from proximate the cable assembly mating end toward the cable assembly cable receiving end.
  • Resilient contact arms are provided on the mating contact engagement portion of the first metallic outer shell, the resilient contact arms extend from proximate the cable assembly mating end to the second metallic outer shell mating portion of the first metallic outer shell. Front ends of the resilient contact arms are proximate the cable assembly mating end and cooperate with a protection portion of the cable assembly which extends from the cable assembly mating end to prevent the front ends of the resilient contact arms from stubbing when the cable assembly is mated to a mating assembly.
  • FIG. 1 perspective view of an illustrative electrical connector assembly with an illustrative metal outer shell according to the present invention.
  • FIG. 2 is an exploded view of the electrical connector assembly of FIG. 1 .
  • FIG. 3 is an enlarged perspective view of the metal outer shell of FIG. 1 .
  • FIG. 4 is a cross-section view taken along line 4 - 4 of FIG. 1 .
  • FIG. 5 is a perspective view of a first alternate illustrative electrical connector assembly with a first alternate illustrative metal outer shell according to the present invention.
  • FIG. 6 is an exploded view of the electrical connector assembly of FIG. 5 .
  • FIG. 7 is a cross-section view taken along line 7 - 7 of FIG. 5 .
  • FIG. 8 is a perspective view of a second alternate illustrative electrical connector assembly with a second alternate illustrative metal outer shell according to the present invention.
  • FIG. 9 is an exploded view of the electrical connector assembly of FIG. 8 .
  • FIG. 10 is a cross-section view taken along line 10 - 10 of FIG. 8 .
  • an electrical connector assembly or cable assembly 10 is electrically and mechanically connected to a cable 12 .
  • the cable 12 can transfer data between and among storage devices, switches, routers, printed circuit boards (PCBs), analog to digital converters, connectors, and other devices.
  • the cable 12 can support data transfer rates of 100 Mbps and higher.
  • the cable 12 can support data transfer rates of approximately 4.25 Gbps to approximately 25 Gbps.
  • the cable 12 also can be used with data transfer rates above or below these exemplary rates.
  • the cable 12 has a cable jacket 14 , a braided shield 16 , a metalized foil 18 and two center conductors 20 , 22 .
  • An end of the cable 12 has the cable jacket 14 removed.
  • the dielectrics 24 , 26 of the conductors 20 , 22 are also removed, thereby exposing a portion of the conductors 20 , 22 .
  • the electrical connector assembly 10 has a cable assembly mating end 30 and a cable assembly cable receiving end 31 .
  • the connector assembly 10 includes a first metallic outer shell 32 , a second metallic outer shell 34 and a third metallic outer shell 35 .
  • the first metallic outer shell 32 has a mating connector receiving portion 36 and a second metallic outer shell receiving portion 40 .
  • the second metallic outer shell 34 has a first metallic outer shell receiving portion 42 and a conductor transition portion 44 .
  • a dielectric housing 50 is positioned in the electrical connector assembly 10 .
  • the housing 50 made of dielectric material.
  • the housing 50 has a mating end 52 and an oppositely facing conductor receiving end 54 .
  • Terminal receiving openings 56 extend from the mating end 52 to the conductor receiving end 54 .
  • the terminal receiving openings 56 are dimensioned to receive terminals 60 ( FIGS. 2 and 4 ) through the conductor receiving end 54 .
  • the terminals 60 are electrically connected to the exposed ends of the conductors 20 , 22 of the cable 12 .
  • two terminal receiving openings 56 are provided, however other numbers and configurations of the terminal receiving openings may be used.
  • the dielectric housing 50 has mounting projections 70 which extend from side surface 72 thereof.
  • the mounting projections each have a first shell engagement surface 74 and a second shell engagement surface 76 .
  • the dielectric housing 50 When assembled, as shown in FIG. 4 , the dielectric housing 50 is positioned in the mating connector receiving portion 36 and the second metallic outer shell receiving portion 40 of the first metallic outer shell 32 .
  • the first shell engagement surfaces 74 of the mounting projections 70 engage an inner transition wall 78 of the mating connector receiving portion 36 to properly position the housing 50 and prevent the further movement of the housing 50 into the mating connector receiving portion 36 .
  • first metallic outer shell receiving portion 42 of the second metallic outer shell 34 is positioned within the second metallic outer shell receiving portion 40 of the first metallic outer shell 32 .
  • One or more latches 82 of the first metallic outer shell 32 cooperate with one or more openings 84 of the second metallic outer shell 34 to secure the second metallic outer shell 34 to the first metallic outer shell 32 .
  • the second metallic outer shell 34 is secured to the first metallic outer shell 32 by adhesive, or other know methods of attachment. In this position, the end 80 of the second metallic outer shell 34 engages the second shell engagement surfaces 76 of the mounting projections 70 to properly position the housing 50 and prevent the movement of the housing 50 into the second metallic outer shell 34 .
  • the terminals 60 of the electrical connector assembly 10 are terminated to ends of the conductors 20 , 22 of the cable 12 , such as by crimping.
  • the terminals 60 are female terminals with receptacle portions 62 .
  • other configurations of terminals including, but not limited to, female socket terminals, may be used.
  • the mating connector receiving portion 36 of the first metallic outer shell 32 has resilient contact arms 86 which extend from the second metallic outer shell receiving portion 40 to an electrically conductive protection member or portion 88 of the mating connector receiving portion 36 .
  • the protection member 88 is positioned proximate to and extends from the cable assembly mating end 30 .
  • the protection member 88 surrounds the mating end 52 of the housing 50 , but does not cover the terminal receiving openings 56 .
  • the protection member 88 has an outer surface 90 which is tapered toward a longitudinal axis 92 of the cable assembly 10 .
  • the tapered shape of the outer surface 90 acts as a lead-in surface when a mating connector is mated to the connector assembly 10 .
  • the resilient contact arms 86 have front ends 94 which are proximate the cable assembly mating end 30 and which cooperate with the protection member 88 . As shown in FIG. 3 , the front ends 94 of the resilient contact arms 86 are integrally formed and attached to the protection member 88 of the mating connector receiving portion 36 of the first metallic outer shell 32 . Rear ends 95 of the resilient contact arms 86 are positioned away from the cable assembly mating end 30 and are integrally formed and attached to the inner transition wall 78 of the mating connector receiving portion 36 .
  • the resilient contact arms 86 are bowed, wherein center sections 96 of the resilient contact arms 86 are spaced further from a longitudinal axis 92 of the cable assembly 10 than the front ends 94 of the resilient contact arms 86 or the protection member 88 .
  • the center sections 96 may have enlarged contact sections which provide a greater surface area to engage the mating connector when the mating connector is mated to the connector assembly 10 .
  • the use of the resilient contact arms 86 and the bowed center sections 96 provide for increased connection between the mating connector (not shown) and the connector assembly 10 .
  • the resilient contact arms 86 are supported at both ends, the resilient contact arms 86 provide for enhanced structural integrity of the mating connector receiving portion 36 of the first metallic outer shell 32 .
  • the bowed center sections 96 of the resilient contact arms 86 engage a cavity (not shown) of the mating connector, causing the bowed center sections 96 to resiliently deform toward the longitudinal axis 92 of the cable assembly 10 .
  • the bowed center sections 96 resist the inward movement of the bowed center sections 96 , thereby causing a force to be applied to the mating connector.
  • the fixed front ends 94 and rear ends 95 also cause the center of the bowed center sections 96 to deform more than the ends of the bowed center sections 96 , causing the bowed center sections 96 to become flatter, thereby providing more connection points and surfaces for the electrical connection or pathway between the mating connector and the connector assembly 10 .
  • the entire length of the resilient contact arms 86 and the electrically conductive protection member 88 provide an electrical path thereby facilitating high speed transmission and better EMI performance, in contrast to prior connectors in which the contact arms are fixed or non-deformable and do not connector to an electrically conductive member at both ends, resulting in the contact arm being electrically isolated and therefore, the EMI performance is not enhanced.
  • the front ends 94 of the resilient contact arms 86 are integrally attached to the protection member 88 , free edges of the front ends 94 are not free or exposed and therefore cannot engage the mating connector as the mating connector is mated to the connector assembly 10 .
  • the outer surface 90 of the integrally formed protection member 88 acts as a lead-in surface when a mating connector is initially mated to the connector assembly 10 and as the mating connector is moved over the outer surface 90 and the contact arms 86 . Stubbing of the mating connector on the resilient contact arms 86 is thereby minimized or prevented.
  • FIGS. 5 through 7 An alternate embodiment of the electrical connector 110 is shown in FIGS. 5 through 7 .
  • the electrical connector assembly 110 is electrically and mechanically connected to a cable 12 .
  • the electrical connector assembly 110 has a cable assembly mating end 130 and a cable assembly cable receiving end 131 .
  • the connector assembly 110 includes a first metallic outer shell 132 , a second metallic outer shell 134 and a third metallic outer shell 135 .
  • the first metallic outer shell 132 has a mating connector receiving portion 136 , which is also a housing retention portion, and a second metallic outer shell receiving portion 140 .
  • the second metallic outer shell 134 has a first metallic outer shell receiving portion 142 , a conductor transition portion 144 and a third metallic shell cooperating portion 146 .
  • a dielectric housing 150 is positioned in the electrical connector assembly 110 .
  • the housing 150 made of dielectric material. As shown in FIGS. 6 and 7 , the housing 150 has a mating end 152 and an oppositely facing conductor receiving end 154 .
  • Terminal receiving openings 156 extend from the mating end 152 to the conductor receiving end 154 .
  • the terminal receiving openings 156 are dimensioned to receive terminals 160 ( FIG. 2 ) through the conductor receiving end 154 .
  • the terminals 160 are electrically connected to the exposed ends of the conductors 20 , 22 of the cable 12 .
  • two terminal receiving openings 156 are provided, however other numbers and configurations of the terminal receiving openings may be used.
  • the dielectric housing 150 has recess 166 which extend from proximate the mating end 152 toward the conductor receiving end 154 . Raised projections or areas 167 ( FIG. 7 ) are provided proximate the recesses 166 .
  • a protection member 188 is provided at the mating end 152 of the housing 150 .
  • the protection member 188 is made of dielectric material and is integrally molded with the housing 150 .
  • the protection member 188 surrounds the mating end 152 of the housing 150 , but does not cover the terminal receiving openings 156 .
  • the protection member 188 has an outer surface 190 with a shoulder 191 which defines a resilient arm receiving cavity 193 .
  • the mating connector receiving portion 136 of the first metallic outer shell 132 has resilient contact arms 186 which extend from the second metallic outer shell receiving portion 140 .
  • the resilient contact arms 186 have front ends 194 which are proximate the cable assembly mating end 130 and which cooperate with the protection member 188 .
  • the front ends 194 of the resilient contact arms 186 have curved or arcuate contact sections 196 , wherein curved contact sections 196 of the resilient contact arms 186 are spaced further from a longitudinal axis 192 of the cable assembly 110 than the front ends 194 of the resilient contact arms 186 or the protection member 188 .
  • the front ends 194 of the resilient contact arms 186 of the first metallic outer shell 132 are resiliently deformed away from the longitudinal axis 192 by the raised areas 167 of the housing 150 .
  • the front ends 194 continue insertion allows the front ends 194 to move beyond the raised areas 167 , allowing the resilient contact arms 186 to return toward their unstressed position.
  • the front ends 194 are positioned in the recesses 166 , thereby retaining the housing 150 in the first metallic outer shell 132 .
  • the front ends 194 are also positioned in the resilient arm receiving cavity 193 of the protection member 188 , with the shoulder 191 positioned over the front ends 194 of the resilient contact arms 186 .
  • the use of the resilient contact arms 186 and the curved contact sections 196 provides for increased connection between the mating connector (not shown) and the connector assembly 110 .
  • the free ends 194 of the resilient contact arms 186 are supported by the housing 150 , the movement of the resilient contact arms 186 toward the longitudinal axis 192 of the cable assembly 110 is limited, thereby providing for enhanced structural integrity of the mating connector receiving portion 136 of the first metallic outer shell 132 .
  • the curved contact sections 196 of the resilient contact arms 186 engage a cavity (not shown) of the mating connector, causing the curved contact sections 196 to deform toward the longitudinal axis 192 of the cable assembly 110 .
  • the curved contact sections 196 are prevented from inward movement, thereby causing a force to be applied by the curved contact sections 196 to the mating connector.
  • the curved contact sections 196 are deformed as mating occurs. The deformation of the curved contact sections 196 causes the curved contact sections 196 to become flatter, thereby providing more connection points and surfaces for the electrical connection or pathway between the mating connector and the connector assembly 110 .
  • FIGS. 8 through 10 A second alternate embodiment of the electrical connector 210 is shown in FIGS. 8 through 10 .
  • the electrical connector assembly 210 is electrically and mechanically connected to a cable 12 .
  • the electrical connector assembly 210 has a cable assembly mating end 230 and a cable assembly cable receiving end 231 .
  • the connector assembly 210 includes a first metallic outer shell 232 and a second metallic outer shell 234 .
  • the first metallic outer shell 232 has a mating connector receiving portion 236 and a second metallic outer shell receiving portion 240 .
  • the second metallic outer shell 234 has a first metallic outer shell receiving portion 242 .
  • a dielectric housing 250 is positioned in the electrical connector assembly 210 .
  • the housing 250 made of dielectric material. As shown in FIGS. 9 and 10 , the housing 250 has a mating end 252 and an oppositely facing conductor receiving end 254 .
  • Terminal receiving openings 256 extend from the mating end 252 to the conductor receiving end 254 .
  • the terminal receiving openings 256 are dimensioned to receive terminals 260 ( FIG. 9 ) through the conductor receiving end 254 .
  • the terminals 260 are electrically connected to the exposed ends of the conductors 20 , 22 of the cable 12 .
  • two terminal receiving openings 256 are provided, however other numbers and configurations of the terminal receiving openings may be used.
  • the dielectric housing 250 has recesses 266 which extend from proximate the mating end 252 toward the conductor receiving end 254 . As shown in FIG. 10 , raised projections or areas 267 are provided proximate the recesses 266 A protection member 288 is provided at the mating end 252 of the housing 250 .
  • the protection member 288 is made of dielectric material and is integrally molded with the housing 250 .
  • the protection member 288 surrounds the mating end 252 of the housing 250 , but does not cover the terminal receiving openings 256 .
  • the protection member 288 has an outer surface 290 which is tapered toward a longitudinal axis 292 of the cable assembly 10 . The tapered shape of the outer surface 290 acts as a lead-in surface when a mating connector is mated to the connector assembly 210 .
  • the mating connector receiving portion 236 of the first metallic outer shell 232 has resilient contact arms 286 which extend from the second metallic outer shell receiving portion 240 .
  • the resilient contact arms 286 have front ends 294 which are proximate the cable assembly mating end 230 and which cooperate with the protection member 288 .
  • the front ends 294 are received in recesses 266 of the protection member 288 .
  • the front ends 294 of the resilient contact arms 286 have curved or arcuate contact sections 296 .
  • the curved contact sections 296 of the resilient contact arms 286 are spaced further from a longitudinal axis 292 of the cable assembly 210 than the front ends 294 of the resilient contact arms 286 or the protection member 288 .
  • the front ends 294 of the resilient contact arms 286 are resiliently deformed away from the longitudinal axis 292 by the housing 250 , as the width of the housing 250 is greater than the opening between the front ends 294 of the resilient contact arms 286 .
  • the front ends 294 continue insertion allows the front ends 294 to move into recesses 266 , allowing the resilient contact arms 286 to return toward their unstressed position. In this position, the front ends 294 are positioned in the recesses 266 , thereby retaining the housing 250 in the first metallic outer shell 232 .
  • the use of the resilient contact arms 286 and the curved contact sections 296 provides for increased connection between the mating connector (not shown) and the connector assembly 210 .
  • the free ends 294 of the resilient contact arms 286 are supported by the housing 250 , the movement of the resilient contact arms 286 toward the longitudinal axis 292 of the cable assembly 210 is limited, thereby providing for enhanced structural integrity of the mating connector receiving portion 236 of the first metallic outer shell 232 .
  • the curved contact sections 296 of the resilient contact arms 286 engage a cavity (not shown) of the mating connector, causing the curved contact sections 296 to deform toward the longitudinal axis 292 of the cable assembly 210 .
  • the curved contact sections 296 are prevented from inward movement, thereby causing a force to be applied by the curved contact sections 296 to the mating connector.
  • the curved contact sections 296 are deformed as mating occurs. The deformation of the curved contact sections 296 causes the curved contact sections 296 to become flatter, thereby providing more connection points and surfaces for the electrical connection or pathway between the mating connector and the connector assembly 210 .

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
US16/784,626 2020-02-07 2020-02-07 Protection member to protect resilient arms of a contact assembly from stubbing Active US10978832B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US16/784,626 US10978832B1 (en) 2020-02-07 2020-02-07 Protection member to protect resilient arms of a contact assembly from stubbing
EP21705267.9A EP4101034A1 (de) 2020-02-07 2021-02-08 Schutzelement zum schutz von federnden armen einer kontaktanordnung gegen anstossen
JP2022547190A JP2023513119A (ja) 2020-02-07 2021-02-08 コンタクトアセンブリの弾性アームをスタッビングから保護するための保護部材
KR1020227030794A KR20220133292A (ko) 2020-02-07 2021-02-08 접촉 조립체의 탄성 암을 스터빙으로부터 보호하기 위한 보호 부재
MX2022009663A MX2022009663A (es) 2020-02-07 2021-02-08 Miembro de proteccion para proteger los brazos elasticos de montaje de contacto de la rotura.
CN202180012776.3A CN115336118A (zh) 2020-02-07 2021-02-08 保护接触组件的弹性臂免受磕碰的保护构件
PCT/IB2021/051006 WO2021156843A1 (en) 2020-02-07 2021-02-08 Protection member to protect resilient arms of a contact assembly from stubbing

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MX2022009663A (es) 2022-09-09
CN115336118A (zh) 2022-11-11
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EP4101034A1 (de) 2022-12-14
WO2021156843A1 (en) 2021-08-12

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